Rainwater harvesting (RWH) is big news in gardening ... it is also better for plants, as it often has a lower pH. The minerals that are sometimes found in mains water, especially in hard water ...

With StyleBoard MDF.RWH, Pfleiderer offers a fibreboard for a second roof decking layer as well as exterior vapour permeable wall cladding that is also optionally available tongued and grooved.